Toft, Louis <br/><br/>
Practical mathematics 

 - London  Sir Issac Pitman & Sons.  1946 
 - 612p. 
<br/><br/><label>Standard No.: </label>121639 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>510  / TOF